<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style type="text/css">
			.box{
				width: 32px;
				height: 32px;
				border: 1px solid #ccc;
				background: url(images/兔斯基揉脸.png)no-repeat;
				background-position: 0px -2px;
				animation: move 1s infinite ;
				animation-timing-function: step-end;
			}
			@keyframes move{
				0%{
					background-position: 0px -2px;
				}
				25%{
					background-position: 0px -39px;
				}
				50%{
					background-position: 0px -72px;
				}
				75%{
					background-position: 0px -106px;
				}
				100%{
					background-position: 0px -2px;
				}
			}
		</style>
	</head>
	<body>
		<div class="box">
			
		</div>
	</body>
</html>
